一种用于pri交错雷达多普勒重建的鲁棒正交匹配追踪方法

IF 1.5 4区 管理学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Xianwen Zhang, Qiang He, Yuan Gao, Yong Yu
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引用次数: 0

摘要

在脉冲多普勒(PD)雷达系统中使用交错脉冲重复间隔(PRIs)有助于扩大无二义多普勒间隔,该间隔传统上受均匀PRIs的限制,并增强雷达的电子对抗能力。然而,高多普勒旁瓣的存在成为这种系统实际部署的主要障碍。本文提出了一种基于梯度下降算法和正交匹配追踪算法的pri交错雷达系统目标多普勒频率精确估计方法,以有效地重建任意速度目标的多普勒特征。仿真结果表明了该方法的有效性和鲁棒性,表明了该方法在PD雷达系统中的实际应用前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A Robust Orthogonal Matching Pursuit Method for Doppler Reconstruction of PRI-Staggered Radar

A Robust Orthogonal Matching Pursuit Method for Doppler Reconstruction of PRI-Staggered Radar

A Robust Orthogonal Matching Pursuit Method for Doppler Reconstruction of PRI-Staggered Radar

A Robust Orthogonal Matching Pursuit Method for Doppler Reconstruction of PRI-Staggered Radar

A Robust Orthogonal Matching Pursuit Method for Doppler Reconstruction of PRI-Staggered Radar

A Robust Orthogonal Matching Pursuit Method for Doppler Reconstruction of PRI-Staggered Radar

The utilisation of staggered pulse repetition intervals (PRIs) in pulse-Doppler (PD) radar systems is instrumental in expanding the unambiguous Doppler interval, which is traditionally confined by the constraints of uniform PRIs, and in enhancing the electronic countermeasures capabilities of the radar. However, the presence of high Doppler sidelobes emerges as a principal impediment to the practical deployment of such systems. In this paper, we introduce a novel approach to accurately estimate the Doppler frequencies of targets in PRI-staggered radar systems, which integrates gradient descent and orthogonal matching pursuit algorithms to effectively reconstruct the Doppler profiles of targets with arbitrary velocities. The simulation results demonstrate the method’s effectiveness and robustness, indicating its promising suitability for practical application within PD radar systems.

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来源期刊
Iet Radar Sonar and Navigation
Iet Radar Sonar and Navigation 工程技术-电信学
CiteScore
4.10
自引率
11.80%
发文量
137
审稿时长
3.4 months
期刊介绍: IET Radar, Sonar & Navigation covers the theory and practice of systems and signals for radar, sonar, radiolocation, navigation, and surveillance purposes, in aerospace and terrestrial applications. Examples include advances in waveform design, clutter and detection, electronic warfare, adaptive array and superresolution methods, tracking algorithms, synthetic aperture, and target recognition techniques.
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